dates,Lower Bound,Median Estimate,Upper Bound
1-Jan-67,0.727404893,1.561156612,2.3865877
1-Apr-67,0.734151042,1.54182132,2.337373845
1-Jul-67,0.593248582,1.507078206,2.41687421
1-Oct-67,0.532698077,1.495751465,2.470660096
1-Jan-68,0.477965203,1.491976915,2.525822646
1-Apr-68,0.431062832,1.484013366,2.518340603
1-Jul-68,0.490826185,1.445137356,2.377546479
1-Oct-68,0.48276004,1.434411584,2.368305572
1-Jan-69,0.49989327,1.45940107,2.42320149
1-Apr-69,0.350840911,1.408154539,2.426240179
1-Jul-69,0.35600968,1.373612222,2.320865137
1-Oct-69,0.336433239,1.298592498,2.205957276
1-Jan-70,0.369929028,1.29718622,2.164546276
1-Apr-70,0.371292477,1.286748026,2.146690726
1-Jul-70,0.391594125,1.277530686,2.119108089
1-Oct-70,0.248057457,1.21443275,2.090416708
1-Jan-71,0.363437867,1.271001035,2.118265135
1-Apr-71,0.329475121,1.261078983,2.144634011
1-Jul-71,0.388501986,1.289893411,2.166256045
1-Oct-71,0.640015236,1.39360962,2.126814456
1-Jan-72,0.532183076,1.345835455,2.123121942
1-Apr-72,0.452172429,1.325970269,2.162382121
1-Jul-72,0.427447091,1.311965593,2.145180816
1-Oct-72,0.442562924,1.306500161,2.151328665
1-Jan-73,0.303449599,1.252341651,2.156760372
1-Apr-73,-0.194030507,1.028504173,2.111523501
1-Jul-73,-0.54843096,0.873509487,2.082901656
1-Oct-73,-0.345340107,0.888999468,1.958945627
1-Jan-74,-0.587351447,0.718587039,1.856193307
1-Apr-74,-1.585565453,0.288143101,1.7850115
1-Jul-74,-1.966167112,0.080585881,1.687147695
1-Oct-74,-1.080711856,0.421258027,1.680363612
1-Jan-75,-0.449821138,0.744134156,1.758414116
1-Apr-75,-0.153946802,0.877823817,1.8396791
1-Jul-75,-0.228143005,0.840874096,1.884601258
1-Oct-75,-0.284115664,0.812773098,1.863082682
1-Jan-76,-0.234090931,0.831672071,1.874669329
1-Apr-76,-0.11910939,0.899898659,1.885504972
1-Jul-76,-0.330016423,0.799404057,1.854144888
1-Oct-76,-0.310867249,0.825457703,1.911942507
1-Jan-77,-0.227108826,0.908473377,2.060509005
1-Apr-77,-0.021456945,1.069854455,2.228169298
1-Jul-77,0.002834427,1.116674272,2.292344887
1-Oct-77,0.098479128,1.183039097,2.340953338
1-Jan-78,0.180917134,1.280400268,2.445686741
1-Apr-78,0.204415459,1.389994718,2.712948368
1-Jul-78,0.233232219,1.439134514,2.754094729
1-Oct-78,0.210190661,1.499295211,2.909758748
1-Jan-79,0.458925065,1.572643377,2.80959074
1-Apr-79,0.234366806,1.532807159,2.993584656
1-Jul-79,0.35002688,1.639686042,3.122199094
1-Oct-79,0.303848013,1.737809029,3.386515751
1-Jan-80,0.263411076,1.774914152,3.512492249
1-Apr-80,0.49800634,1.769649893,3.19929049
1-Jul-80,0.662069866,1.881739469,3.245643997
1-Oct-80,0.765639247,2.286799069,4.244551352
1-Jan-81,1.031566581,2.336185304,4.00205957
1-Apr-81,1.208939928,2.427627186,4.063445464
1-Jul-81,1.334476453,2.483253582,4.011502099
1-Oct-81,1.306000925,2.309203632,3.542740779
1-Jan-82,1.489293812,2.537931545,3.926661236
1-Apr-82,1.632596876,2.630419049,4.009254486
1-Jul-82,1.545395975,2.48306915,3.657077883
1-Oct-82,1.671768159,2.607462048,3.805997139
1-Jan-83,1.820890424,2.743990567,4.005145124
1-Apr-83,1.922008883,2.787624556,3.914922211
1-Jul-83,2.015962994,3.007346526,4.436636962
1-Oct-83,2.033245624,2.95640765,4.236052275
1-Jan-84,2.068648065,2.986916457,4.243478464
1-Apr-84,2.130946187,3.105231591,4.55251127
1-Jul-84,2.105887305,3.028930598,4.346702197
1-Oct-84,1.941353352,2.741732411,3.747695911
1-Jan-85,1.978896968,2.86663195,4.02124267
1-Apr-85,1.980857799,2.812890552,3.887697934
1-Jul-85,2.024905597,2.857223023,3.942319089
1-Oct-85,1.970726446,2.752458879,3.733055003
1-Jan-86,1.897003528,2.679147155,3.650652966
1-Apr-86,1.840203019,2.587884732,3.455314275
1-Jul-86,1.784327039,2.506519139,3.325581945
1-Oct-86,1.840562667,2.598536109,3.465196261
1-Jan-87,1.815257075,2.547719125,3.379783059
1-Apr-87,1.906070376,2.69705586,3.646377792
1-Jul-87,1.878482313,2.649430821,3.599708858
1-Oct-87,1.876842229,2.663763459,3.642083742
1-Jan-88,1.799740641,2.574083633,3.497057515
1-Apr-88,1.856792813,2.676500613,3.689251721
1-Jul-88,1.894593282,2.7154068,3.781294667
1-Oct-88,1.899783381,2.692895407,3.699839723
1-Jan-89,1.918226628,2.696213012,3.697438424
1-Apr-89,1.798670948,2.515131951,3.374002532
1-Jul-89,1.654616193,2.334308677,3.084937902
1-Oct-89,1.516063791,2.216000827,2.966231495
1-Jan-90,1.403172837,2.151602667,2.952677476
1-Apr-90,1.275986672,2.056556213,2.836893018
1-Jul-90,1.147706855,1.920023122,2.671469349
1-Oct-90,1.012092273,1.783920042,2.504796853
1-Jan-91,0.919542619,1.697532274,2.395776857
1-Apr-91,1.074692963,1.798647366,2.485348208
1-Jul-91,1.074361413,1.809749007,2.511257807
1-Oct-91,1.024518711,1.747928835,2.415643506
1-Jan-92,1.040004884,1.752560893,2.413725819
1-Apr-92,1.106583483,1.796340397,2.469028413
1-Jul-92,1.058344908,1.745827359,2.403382388
1-Oct-92,1.090481104,1.789552974,2.475547149
1-Jan-93,1.090455589,1.79085252,2.478159369
1-Apr-93,1.125607848,1.828855962,2.52260107
1-Jul-93,1.212438743,1.888168752,2.561843191
1-Oct-93,1.271442978,1.939352662,2.610863906
1-Jan-94,1.386709343,2.045969029,2.736012626
1-Apr-94,1.535621907,2.228959033,3.011150379
1-Jul-94,1.584834361,2.276306119,3.098171794
1-Oct-94,1.66677505,2.375329112,3.223417698
1-Jan-95,1.668531722,2.388572919,3.258698246
1-Apr-95,1.631717508,2.348036568,3.190653951
1-Jul-95,1.668907625,2.381457464,3.21322939
1-Oct-95,1.66816854,2.400966781,3.233233595
1-Jan-96,1.618154087,2.3527457,3.153740277
1-Apr-96,1.72275096,2.48784574,3.37548485
1-Jul-96,1.742393383,2.52366382,3.450124929
1-Oct-96,1.697584408,2.497312048,3.438312748
1-Jan-97,1.688656398,2.487913567,3.425553657
1-Apr-97,1.766186953,2.612773496,3.647392379
1-Jul-97,1.722831996,2.554831071,3.531072462
1-Oct-97,1.652814051,2.473756056,3.421540111
1-Jan-98,1.683546457,2.5317922,3.539390216
1-Apr-98,1.625400707,2.473894997,3.469709478
1-Jul-98,1.659066873,2.537240044,3.601792792
1-Oct-98,1.414151551,2.234744445,3.139799554
1-Jan-99,1.419120198,2.239381537,3.155178525
1-Apr-99,1.384110748,2.209304465,3.131876105
1-Jul-99,1.460504647,2.307302207,3.311776754
1-Oct-99,1.429279543,2.29507514,3.329024759
1-Jan-00,1.325331371,2.199550966,3.22764359
1-Apr-00,1.405840099,2.315693595,3.391158166
1-Jul-00,1.240059897,2.103296317,3.111828897
1-Oct-00,1.120300203,1.989999386,2.974828178
1-Jan-01,0.830975568,1.676594011,2.532932919
1-Apr-01,0.708622281,1.529433972,2.307721235
1-Jul-01,0.573051927,1.390497314,2.150483535
1-Oct-01,0.295006218,1.186658618,1.971860733
1-Jan-02,0.479934488,1.325758341,2.102460415
1-Apr-02,0.522176954,1.388026883,2.20214355
1-Jul-02,0.421327927,1.301323281,2.120535409
1-Oct-02,0.295427862,1.162428937,1.961506594
1-Jan-03,0.405789484,1.236080469,2.021678326
1-Apr-03,0.458949069,1.267204986,2.048518293
1-Jul-03,0.499031612,1.320284122,2.113594327
1-Oct-03,0.526115029,1.334221154,2.145298091
1-Jan-04,0.424189345,1.255833627,2.07548743
1-Apr-04,0.388032632,1.245927286,2.061151149
1-Jul-04,0.609102823,1.409758379,2.202309239
1-Oct-04,0.684892978,1.500914761,2.324664333
1-Jan-05,0.700962049,1.549104872,2.422368024
1-Apr-05,0.775018392,1.585739916,2.444552945
1-Jul-05,0.894259118,1.683883726,2.560574739
1-Oct-05,0.816688231,1.647474653,2.547044389
1-Jan-06,0.92624701,1.78768801,2.760662619
1-Apr-06,0.848410525,1.757872246,2.780336435
1-Jul-06,0.843617187,1.717856889,2.680050398
1-Oct-06,0.818258045,1.662660356,2.562226504
1-Jan-07,0.742403888,1.639058418,2.607737286
1-Apr-07,0.773440207,1.660004936,2.616660457
1-Jul-07,0.733111939,1.647731032,2.63282379
1-Oct-07,0.420645209,1.364865624,2.288234307
1-Jan-08,-0.16876721,0.826086591,1.678183172
1-Apr-08,-0.198845569,0.805260751,1.66491359
1-Jul-08,-0.292945159,0.765714001,1.676730401
1-Oct-08,-1.19621297,0.101382701,1.100564557
1-Jan-09,-0.625246623,0.482094711,1.408516199
1-Apr-09,-0.423772324,0.645182223,1.592611655
1-Jul-09,-0.333419107,0.710770477,1.654902158
1-Oct-09,-0.320062634,0.761602319,1.771568881
1-Jan-10,-0.627811831,0.463484262,1.426197662
1-Apr-10,-0.641976987,0.436032462,1.390529209
1-Jul-10,-0.486911075,0.536390849,1.477289823
1-Oct-10,-0.612761843,0.460091582,1.430022539
1-Jan-11,-0.679300456,0.453287495,1.492469051
1-Apr-11,-0.811189508,0.373033864,1.438084026
1-Jul-11,-0.938665985,0.240420698,1.292105485
1-Oct-11,-0.837569065,0.283454319,1.280663138
1-Jan-12,-0.954110649,0.222002551,1.305837703
1-Apr-12,-0.925379747,0.223164626,1.272401195
1-Jul-12,-0.875626563,0.228793786,1.248639641
1-Oct-12,-0.964602038,0.178227619,1.231773831
1-Jan-13,-0.805832204,0.270273619,1.294192496
1-Apr-13,-0.692751421,0.364008669,1.366894632
1-Jul-13,-0.673664294,0.360637859,1.355308802
1-Oct-13,-0.778956336,0.297755938,1.329927904
1-Jan-14,-0.857122163,0.231693144,1.247762133
1-Apr-14,-0.645281317,0.435299172,1.470932372
1-Jul-14,-0.620464135,0.408818755,1.420547604
1-Oct-14,-0.667760972,0.348601225,1.322629592
1-Jan-15,-0.491928452,0.487696813,1.443799853
1-Apr-15,-0.667482871,0.376170353,1.387634212
1-Jul-15,-0.569162911,0.462665473,1.473370654
1-Oct-15,-0.574097409,0.437981377,1.405137582
1-Jan-16,-0.43430075,0.577365677,1.582586043
1-Apr-16,-0.646898951,0.402234984,1.452051827
1-Jul-16,-0.419549432,0.584747666,1.617883608
1-Oct-16,-0.388584463,0.55935844,1.531710375
1-Jan-17,-0.315056012,0.642827431,1.637359086
1-Apr-17,-0.056976701,0.860159201,1.838280536
1-Jul-17,0.182400244,1.072989976,2.02956649
1-Oct-17,0.152108416,1.059222881,2.034283204
1-Jan-18,0.095455182,1.081881393,2.150258395
1-Apr-18,0.208358651,1.193410457,2.287575479
1-Jul-18,0.235740728,1.162057722,2.171200602
1-Oct-18,0.186208253,1.136673902,2.192654984
1-Jan-19,0.324760513,1.28444236,2.353453413
1-Apr-19,0.339797011,1.347429324,2.47475364
1-Jul-19,0.306578403,1.294912274,2.383989714
1-Oct-19,0.01715284,1.00733446,2.015455029
1-Jan-20,-0.253248401,0.85369002,1.932215776
1-Apr-20,-1.822975092,-0.040308729,1.238853035
1-Jul-20,0.442821038,1.592979737,2.961048965
1-Oct-20,0.050068023,1.182583607,2.393795062
1-Jan-21,-0.270060291,0.988824203,2.324411081
1-Apr-21,-0.738767832,0.943449541,2.71348709
1-Jul-21,-1.405397381,0.510162449,2.277638104
1-Oct-21,-1.147788238,0.708994595,2.510202766
1-Jan-22,-1.902399871,0.34232659,2.281588201
1-Apr-22,-1.453864867,0.620870664,2.526405148
1-Jul-22,-0.508582841,1.274525571,3.313955182